For over a decade our company has steadfastly remained committed as a partner in community safety.

About Limestone Technologies

Limestone Technologies is now a division of Lafayette Instrument Company

At Limestone Technologies, we are committed to the continuous innovation of software and instrumentation solutions that contribute to making our communities secure and safe, a legacy we can to pass on to future generations. Limestone Technologies opened its doors in 2003 when it unveiled Polygraph Pro Suite. We quickly became one of the leading providers of polygraph instrumentation and software. At Limestone, we promise Unparalleled Performance, Unmatched Reliability, and Unrivaled Innovation.   

 In addition to our early success as polygraph instrument providers, in 2017, we increased our focus on polygraph education and training. Limestone acquired the Backster School of Lie Detection, the world’s oldest and longest standing polygraph schools to provide the best in class training for the polygraph examiners of tomorrow. In August of 2022, Limestone Technologies Inc was acquired by Lafayette Instrument Company. 

"We are very pleased to bring these two companies together to achieve our collective potential and maximum effectiveness and efficiency for the benefit of our customers"

Jennifer Rider, President of Lafayette Instrument Company

Limestone Technologies is located in the historic city of Kingston, Ontario. We are staffed with an experienced sales and support team that is here to help you navigate your polygraph instrumentation. For any questions, please contact us

Mission Statement

Limestone Technologies Inc. is a trusted and reliable provider of specialized medical and psychophysiological products, services and solutions. Our primary focus is security and public safety. We are dedicated to continuously elevating our brand through innovation, commitment to quality, and superior customer service. We will continue to grow and increase global awareness regarding our data acquisition solutions.

Open minded communications with our clients has produced a mutually beneficial synergy and earned customer loyalty. We are a respected partner in credibility assessment (polygraph) and sex offender management and are ready to bring our knowledge and expertise into biofeedback instrumentation and customized solutions. Limestone Technologies will always be acknowledged as the company that listens to their clients, anticipates their needs, and proactively ensures ongoing value.

Vision Statement

“International leader in data acquisition solutions.”

Since 1999 Limestone Technologies Inc. has provided two significant data acquisition solutions for public safety and security. We are recognized leaders in innovation and excellence. We are presently known for quality phallometric and polygraph solutions and we are now eager to apply our experience and attention to other avenues of equal importance. We believe that delivering medical grade instrumentation and intelligent software design can be brought to an array of sub-markets with similar acquisition requirements. Supporting our clients is instrumental to our success and we look forward to growing our client base around the world.

Company Values

Customers for Life

Our customers will distinguish Limestone Technologies as their best present and future solution provider.


We will remain steadfastly committed to acting in a responsible manner to ensure reliability and eliminate any health or safety issues associated to our instrumentation and testing methodologies.


Our clients can be assured of fair and consistent service and pricing. Limestone Technologies is committed to policies that ensure equality for all our clients.


We will embrace new and better technologies as they become available. We will welcome change as an opportunity. The status quo can be challenged.

Global Vision

Limestone Technologies will promote intercultural competence. Successful communication is essential and we encourage our representatives to make use of their creativity and their potential for common success.


Limestone Technologies envisions and supports personal and professional competence. We will form the best team in the profession and will practice an open and trusting dialogue within our company and with our clients and business partners. We will act in accordance with our words and values.

Team Work

Mutuality that’s maintained through open and transparent communication. We will treat all clients with fair and equal respect. We will listen, evaluate and provide the answers that ensure that all of our clients are completely satisfied.

The best instrument delivers the best results. Contact us today for your custom quote.

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